1 /* 2 ** 3 ** Copyright (C) 2008 The Android Open Source Project 4 ** 5 ** Licensed under the Apache License, Version 2.0 (the "License"); 6 ** you may not use this file except in compliance with the License. 7 ** You may obtain a copy of the License at 8 ** 9 ** http://www.apache.org/licenses/LICENSE-2.0 10 ** 11 ** Unless required by applicable law or agreed to in writing, software 12 ** distributed under the License is distributed on an "AS IS" BASIS, 13 ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 ** See the License for the specific language governing permissions and 15 ** limitations under the License. 16 */ 17 18 #ifndef ANDROID_IMEDIAMETADATARETRIEVER_H 19 #define ANDROID_IMEDIAMETADATARETRIEVER_H 20 21 #include <binder/IInterface.h> 22 #include <binder/Parcel.h> 23 #include <binder/IMemory.h> 24 #include <utils/KeyedVector.h> 25 #include <utils/RefBase.h> 26 27 namespace android { 28 29 class IDataSource; 30 struct IMediaHTTPService; 31 32 class IMediaMetadataRetriever: public IInterface 33 { 34 public: 35 DECLARE_META_INTERFACE(MediaMetadataRetriever); 36 virtual void disconnect() = 0; 37 38 virtual status_t setDataSource( 39 const sp<IMediaHTTPService> &httpService, 40 const char *srcUrl, 41 const KeyedVector<String8, String8> *headers = NULL) = 0; 42 43 virtual status_t setDataSource(int fd, int64_t offset, int64_t length) = 0; 44 virtual status_t setDataSource(const sp<IDataSource>& dataSource) = 0; 45 virtual sp<IMemory> getFrameAtTime(int64_t timeUs, int option) = 0; 46 virtual sp<IMemory> extractAlbumArt() = 0; 47 virtual const char* extractMetadata(int keyCode) = 0; 48 }; 49 50 // ---------------------------------------------------------------------------- 51 52 class BnMediaMetadataRetriever: public BnInterface<IMediaMetadataRetriever> 53 { 54 public: 55 virtual status_t onTransact(uint32_t code, 56 const Parcel& data, 57 Parcel* reply, 58 uint32_t flags = 0); 59 }; 60 61 }; // namespace android 62 63 #endif // ANDROID_IMEDIAMETADATARETRIEVER_H 64